1. Lacking brilliance or vitality
   "a dull lacklustre life"
   - lackluster [US], lusterless [N. Amer], lustreless [Brit, Cdn] 
2. Lacking lustre or shine
   "staring with lacklustre eyes"
   - lackluster [US], lusterless [N. Amer], lustreless [Brit, Cdn]

See also: dull, hebetudinous

• garment
• garment bag
• garment cutter
• garment industry
• garment-worker
• garmented
• garmentless
• garmentmaker
• garner
• garnet
• garnet lac
• garnet-colored
• garnet-coloured
• Garnier
• garnierite
• garnish
• garnishee
• garnishment
• garniture
• Garonne
• Garonne River
• garotte
• garpike
• garret
• Garrick